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SubjectRe: WARNING: at mm/slub.c:3357, kernel BUG at mm/slub.c:3413
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On Sat, Dec 3, 2011 at 7:29 AM, Markus Trippelsdorf
<markus@trippelsdorf.de> wrote:
> On 2011.12.03 at 12:20 +0000, Dave Airlie wrote:
>> >> > > > > FIX idr_layer_cache: Marking all objects used
>> >> > > >
>> >> > > > Yesterday I couldn't reproduce the issue at all. But today I've hit
>> >> > > > exactly the same spot again. (CCing the drm list)
>>
>> If I had to guess it looks like 0 is getting written back to some
>> random page by the GPU maybe, it could be that the GPU is in some half
>> setup state at boot or on a reboot does it happen from a cold boot or
>> just warm boot or kexec?
>
> Only happened with kexec thus far. Cold boot seems to be fine.
>
> --
> Markus

Can you add radeon.no_wb=1 to your kexec kernel paramater an see if
you can reproduce.

Cheers,
Jerome


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